In the 18th century
Who was Voltaire
Voltaire did not believe prayer was necessary.
"I have never made but one prayer to God, a very short one: Oh Lord, make my enemies ridiculous. And God granted it."
Kagan, Donald, Steven E. Ozment, Frank M. Turner, and Perry McAdow. Rogers. The Western Heritage: Since 1300. Upper Saddle River, NJ: Pearson/Prentice Hall, 2004. Print.